Investigation #3- Go Carts Part #1-Day 1

Investigation #3- Go Investigation #3- Go CartsCarts

Part #1-Day 1Part #1-Day 1Activating Strategy- on page 1 in your Activating Strategy- on page 1 in your packet. In your own words, describe a packet. In your own words, describe a cart.cart.

Essential Question- Essential Question-

How can you design a go-cart that How can you design a go-cart that can roll down a ramp and across can roll down a ramp and across the floor a short distance?the floor a short distance?


Part #1-Day 1Part #1-Day 1Investigation #3Investigation #3

Your Challenge- read along on page 1 Your Challenge- read along on page 1 of your student journal.of your student journal.


Part #1-Day 1Part #1-Day 1VocabularyVocabulary

1) A) design- the way that something is 1) A) design- the way that something is put together is its design.put together is its design.

B) It is also the process of figuring B) It is also the process of figuring out how to construct something.out how to construct something.

2) Engineer- an engineer is a person 2) Engineer- an engineer is a person who designs things using scientific who designs things using scientific knowledge.knowledge.

Investigation #3- Go CartsInvestigation #3- Go CartsPart #1-Day 1Part #1-Day 1

You will now select 1 partner that you will You will now select 1 partner that you will work with on this investigation.work with on this investigation.

Select one team member to be your team’s Select one team member to be your team’s Getter.Getter.

• Attempt to complete the challenge.Attempt to complete the challenge.

With your partner, using the materials in With your partner, using the materials in your kit, build a go-cart that will travel your kit, build a go-cart that will travel down the ramp and across the floor a short down the ramp and across the floor a short distance.distance.


Do Now- To prepare for our first mini-Do Now- To prepare for our first mini-convention, complete the first two convention, complete the first two sections on page 3 of your journal.sections on page 3 of your journal.

Mini-Convention- Select one member Mini-Convention- Select one member of your team to present your cart to of your team to present your cart to the class.the class.

Take notes in the third section on Take notes in the third section on page 3 in your journal.page 3 in your journal.

CONTINUE TO BUILD YOUR CARTCONTINUE TO BUILD YOUR CART


Part #1-Day-3 Part #1-Day-3 • Do Now- enter a response for the Do Now- enter a response for the

summary on page 4 of your journal.summary on page 4 of your journal.• Continue to work on your model. Continue to work on your model. • Compare your designs with others.Compare your designs with others.• Draw a model of your cart on page 5 Draw a model of your cart on page 5

in your journal.in your journal.

• Return materials to the material Return materials to the material storage area and be ready to take storage area and be ready to take some notes on page 6.some notes on page 6.


Part #1-Day-3 Part #1-Day-3 Homework: Read the science story “ Homework: Read the science story “

Early Autos” in story book pages 25-28 Early Autos” in story book pages 25-28 and complete questions 1-4 on page 7 and complete questions 1-4 on page 7 in your journal.in your journal.


Part #1-Day-3 Part #1-Day-3 Investigation #3 Journal Page #6Investigation #3 Journal Page #6

The way that something is put The way that something is put together is its ______________.together is its ______________.

An _____________ uses scientific An _____________ uses scientific knowledge to design useful things.knowledge to design useful things.

Content/Inquiry EntryContent/Inquiry Entry

How can you make a cart that will roll How can you make a cart that will roll freely down a ramp?freely down a ramp?– Solving problems calls for design and Solving problems calls for design and

testing of possible solutions.testing of possible solutions.


• Do Now- take out your homework to Do Now- take out your homework to be checked by Mr. Fisher. be checked by Mr. Fisher.

As Mr. Fisher checks your work, re-As Mr. Fisher checks your work, re-read and be ready to discuss your read and be ready to discuss your answers.answers.

Get your carts ready for the race!!!!Get your carts ready for the race!!!!

Investigation #3- Go CartsInvestigation #3- Go CartsPart #2 Day-1Part #2 Day-1

Do Now- Complete the questions on page Do Now- Complete the questions on page 8 in your journal and prepare to 8 in your journal and prepare to discuss your responses.discuss your responses.

Your New Challenge- Read along on Your New Challenge- Read along on page 9page 9

Getters- grab your team’s materialsGetters- grab your team’s materials

Teams start designing your self-Teams start designing your self-propelled cart.propelled cart.

Investigation #3 Part 2Investigation #3 Part 2

Do Now- On page 9 in your journal, Do Now- On page 9 in your journal, answer the question: What has your answer the question: What has your group come up with?group come up with?

Mini-Convention-Mini-Convention-

##I am going to demonstrate how to use ##I am going to demonstrate how to use the rubber bands to create power for the rubber bands to create power for your cart.your cart.

Investigation #3 Part 2Investigation #3 Part 2

• 22ndnd Mini-Convention-page 10 Mini-Convention-page 10

What are some problems we are having?What are some problems we are having?

What are some problems that other What are some problems that other groups are having? groups are having?

Answer the question on the bottom of Answer the question on the bottom of page 10page 10

Investigation #3 Part 2Investigation #3 Part 2Discussion of Wheels- page 11 in journal.Discussion of Wheels- page 11 in journal.How far will a wheel travel with one How far will a wheel travel with one

complete rotation?complete rotation?

How many times will the wheel have to How many times will the wheel have to go around in order to drive your cart go around in order to drive your cart 2m? 2m?

Can you get the rubber band to wind up Can you get the rubber band to wind up that many times?that many times?

Work with your partner to figure out how Work with your partner to figure out how to make your cart go further.to make your cart go further.

Investigation #3 Part 2Investigation #3 Part 2Mini-Convention page 11 in journal.Mini-Convention page 11 in journal.

What did you and your partner come up What did you and your partner come up with?with?

How about making a change in the How about making a change in the design?design?

Bigger wheels will travel further with Bigger wheels will travel further with each turn of the hub.each turn of the hub.

##Homework – Response Sheet- Go-Carts##Homework – Response Sheet- Go-Carts

Investigation #3 Part 2Investigation #3 Part 2VocabularyVocabulary Page 121) The axle is the rod that connects to the

wheels, so they turn together.2) Other parts of a device revolve or rotate on

the bearing.3) Friction is the resistance to movement on

surfaces that touch.4) The center of the wheel that is fastened to

the axle is the hub.5) Traction is a kind of friction that allows

wheels to turn without slipping on a surface.6) The wheel is the disk that turns on a central

axis

Investigation #3 Part 2Investigation #3 Part 2Content/Inquiry1) How does wheel size affect the

distance a rubber-band-powered go-cart can travel?

2) How does the length of the rubber band affect the distance your go-cart can travel?

Investigation #3 Part 2Investigation #3 Part 2ReadingRead the story: “Henry Ford and His Model T” on

pages 29-32

Complete questions #1-6 on page 14

Investigation #3 Part 3Investigation #3 Part 3G0-Cart RallyAfter the rally, answer the questions on

page 16 in your journal.

ReadingScience Story- “On the Line” pages 33-

36 Answer questions 1-5 on journal page

17.

Investigation #3Investigation #3

• Word Bank Entries page 18Word Bank Entries page 18

TechnologyTechnology is the enterprise of using is the enterprise of using science to develop objects, machines, science to develop objects, machines, and materials that are of use to and materials that are of use to society.society.

A A variablevariable is anything you can change is anything you can change in a design that might affect the in a design that might affect the performance of the product.performance of the product.

Content/InquiryContent/InquiryThe five-phase process to “Product The five-phase process to “Product

Development”Development”

1)1)Design- the plan to build somethingDesign- the plan to build something

2)2)Construction- building a prototype, or first Construction- building a prototype, or first model of the product.model of the product.

3)3)Testing- Trying it out to see if the product does Testing- Trying it out to see if the product does what it is supposed to do.what it is supposed to do.

4)4)Evaluation- Decide if the product is good Evaluation- Decide if the product is good enough and that it accomplishes what you set enough and that it accomplishes what you set out to do.out to do.

5)5)Redesign- Making changes to the product to Redesign- Making changes to the product to make it better and to reach the original design make it better and to reach the original design goals.goals.

Investigation #3- Go Carts Part #1-Day 1

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